Orion Icon Library is a massive set of more than 6,000 stunning SVG icons available as line, solid, colour and flat colour style. There are two plans to choose from: Free and Pro. The Pro plan doesn’t require any attribution, gives you access to over 2,000 new icons and provides library management options. (If that's not quite what you're after, you'll find lots more free icon sets here).
38. Frappe Charts
Delve into these simple, SVG charts that have no dependencies and are inspired by GitHub. Create line graphs, bar charts, pie charts and more, with hover effects for displaying information.
An online SVG animation tool with a user-friendly interface. Enables you to import SVG, view and edit the code and use animation presets to animate before exporting a single ready-to-use SVG file.
41. MapKit JS
Testing and data tools
A linting tool available as a CLI or, if you’re not sure what to check for, as an online scanner. When put to work, webhint scours through your code to make sure it follows best practices and also hits the right spot in terms of accessibility, speed, etc.
If you require SSL in a local development environment, this simple tool can whip up locally trusted SSL certificates using whatever names you’d like.
A Chrome extension that records browser interactions such as clicks, typing and form interactions, before creating a script for Puppeteer (the popular headless Chrome testing API). You also have a chance to edit the generated code using the configuration options.
Web service that offers a free, secure and JSON-based cloud data store for small projects. Go to the site, copy the generated URL and start sending HTTP requests to communicate with your data store.
Not getting on with Chrome’s new tab page? Not a problem – replace it with a set of useful tools tailored to your programming needs. We’re talking GitHub/GitLab activity, Gists, Stack Overflow, a scratchpad for notes and more.
If you’re going to test your websites and web apps, you may as well do it properly. This useful tool runs your public or locally hosted creations on over 2,000 mobile and desktop browsers that are running real operating systems. What’s more. the built-in debugging tools take care of any issues in real time.